package com.leyou.search.mq;

import com.leyou.search.service.SearchService;
import org.springframework.amqp.core.ExchangeTypes;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import static com.leyou.common.constants.MQConstants.ExchangeConstants.ITEM_EXCHANGE_NAME;
import static com.leyou.common.constants.MQConstants.QueueConstants.SEARCH_ITEM_DOWN;
import static com.leyou.common.constants.MQConstants.QueueConstants.SEARCH_ITEM_UP;
import static com.leyou.common.constants.MQConstants.RoutingKeyConstants.ITEM_DOWN_KEY;
import static com.leyou.common.constants.MQConstants.RoutingKeyConstants.ITEM_UP_KEY;

/**
 * @author 虎哥
 */
@Component
public class ItemListener {

    @Autowired
    private SearchService searchService;

    @RabbitListener(bindings = @QueueBinding(
            value = @Queue(name = SEARCH_ITEM_UP, durable = "true"),
            exchange = @Exchange(name = ITEM_EXCHANGE_NAME, type = ExchangeTypes.TOPIC),
            key = ITEM_UP_KEY
    ))
    public void listenItemUp(Long spuId){
        if (spuId == null) {
            // 数据为null，丢弃
            return;
        }
        // 新增数据到索引库
        searchService.saveItemBySpuId(spuId);
    }

    @RabbitListener(bindings = @QueueBinding(
            value = @Queue(name = SEARCH_ITEM_DOWN, durable = "true"),
            exchange = @Exchange(name = ITEM_EXCHANGE_NAME, type = ExchangeTypes.TOPIC),
            key = ITEM_DOWN_KEY
    ))
    public void listenItemDown(Long spuId){
        if (spuId == null) {
            // 数据为null，丢弃
            return;
        }
        // 删除
        searchService.deleteItemBySpuId(spuId);
    }
}
